Driving mechanism for power washing-machines



H. H. TOLL.

DRIVING MECHANISM FOR POWER WASHING MACHINES.

APPLICATION FILED NOV. 26,1917- Patented May 11, 1920.

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. H. H. TOLL.

DRIVING MECHANISM FOR POWER WASHING MACHINES.

APPLICATION FILED NOV. 26, I917.

Patented May 11, 1920.

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DRIVING MECHANISM FOR POWER WASHING MACHINES- APPLICATION FILI ID NOV. 26, 1917."

1 339 5 1 Patented May 11, 1920.

3 SHEETS-SHEET 3.

UNITED STATES PATENT OFFICE.

HERMAN H. TOLL, OF CL ARINDA, IOWA,.ASSIGNOR 'IO CLARINDA, L;AWN MOWER" COMPANY, OF (3114ABIN'I'JAL, IOWA, A CORPORATION OF IOWA.

DRIVI G MECHANISM roarowrm. WASHING-MACHINES.

" TaraZZ-whomit ma concern:

Be itknown t at I, HERMA TOLL,

citizen of the United States of America and resident of .Clarinda, Page county,

Ibwa, have invented a new and useful Driving Mechanlsm for Power Washln -Mach1nes,

. of which the following is a speci cation.

The object of this invention 1s to pro vide an improved construction and arrangement for driving mechanism for power washing machines.

' :A further" objectof'this invention is to provide an improved, unitary, compact driving mechanism for power Washing machines.

A .further object of this invention is to provide an improved driving mechanism for 'laliged scale. t

ig. 5 is a. detail side elevations'howing a modified form of connection of the motor power through a driving shaft from-the prime mover to a countershaft designed in turn to transform the continuous rotary motion to an alternating rotary motion.

' My invent on cons sts in the construction,

arrangement and combination of elements hereinafter set forth, pointed out in my claims and illustrated by the accompanying drawing, in which.

Figure 1 1s a side elevation of a power washing machine embodyingmyimprovements. Fig. 2 is a plan of thesame. r Fig.-

3 is a side elevation at right angles to Fig. .1,

. 'a portion of the support being broken away. Fig. 4 is ahorizontal section of certain por tions of the driving mechanism, substanf tially on the line. of Fig.1, on an ensupporting bracket to the support;

In the construction of the mechanism as shown the numeral 10 designates generally a support such as a tub carried by legs 11 preferably resting on a skeletonplatform l2 provided with swivel casters 13. The .tub.

10 is formed with a -fixed cover membenll suitably hinged as hereinafter set forth and and a movable cover member 15, relatively largerthan said fixed cover member and also provided with suitable latching devices 16 of any desired character. A supporting plate 17 is mounted on and suitably'seeured and said plate preferably I Specification of Letters Patent; Patented luay 11, 1920. 3 Application m November 26, 1917. Strial No. 204,072. I I

as by bolting to the fixed cover member 141 is of substantially the same dimensions in ength and width as said cover member, except that it is ofsubstantially uniform width throughout its length, while said cover member generally is segmental in plan, the combined covermembers 14 and 15 being of circular form. The supporting plate 17 is formed with spaced, integral, upstanding bearing brackets 18-, 19 near its ends and a driving shaft 20 has its bearings in upper portions of said brackets, extending longitudinally of and above the fixed cover member 14 and in a vertical plane corresponding approximately with the outer'margln of said cover member. The supporting plate 17 and bearing brackets 18, 19, together with other members hereinafter referred to as integrally formed with said plate, preferably are formed in one piece from metal by molding or casting- Hinge members .21, 22 are secured to the top of the movable cover member 15, as by bolts 23, extend. upwardly and outwardly beyond a margin of said' cover member,-and have bearings at their upper. ends, .on'the driving shaft 20, thus providing a pivotal connection of said movable cover member to the support, the axis of articulation being removed laterally and vertically from the joining line between the cover members 14, 15. At their outer ends the hinge members 21, 22 are formed with inclined shoulders or stops 24, shown particularly in Fig. 1, adapted to engage vertlcal "ribs or flanges 25 on the brackets 18, 19, for

the purpose of stopping outward movement ofthe movable cover member and holding the same in open position inclined outwardly from .a vertical plane. A latching bar 26 may be pivoted on the bracket 18 and engage a shoulder or stop .2; on the hinge member 21, when the movable cover member 15 is in open position, to prevent accidental dropping or closing of said cover member. V

A motor, bracket 28 is mounted on the side of the support adjacent to the fixed cover member 14;, and secured thereto as by bolts 29. The bracket 28 also may be connected to thesupporting plate 17 by a metal strap or link 30. An electric motor 31 is provided'and is adapted to rest loosely on the bracket 28, a cushion 32 preferably being provided on the outer end of said. bracket to receive said motor.- .The motor shaft 33 is provided with a worm (not shown) at its inner end meshing with and adapted to. drive a 'worm gear 34 fixed to the driving ters Patent of the United States Number shaft 20. This construction is shown and described in detail in Letters Patent of the i United States Number 1,228,887 ranted Clarinda Lawn Mower Company une 5,

1917 on the application of Andrew J. Dinkel,

to which patent reference hereby is made. A housing 35 incloses the projecting portion of the-power shaft 33 and. worm thereon 'as' well'as the lower portion of the worm gear. 34, and a removable cap 36'for said housing normally covers the upper portion of said gear. The cap 36 separates from the housing '35 on the horizontal plane of the axis of the shaft 20 and said cap and housing are together formed with bearings 37 in which said shaft is journaled. The motor 31 and members carried. thereby arev adapted for oscillation through an are over the upper portion of and articulating on' the shaft 20 as an axis, the bearings 37 turning on said shaft and the worm traveling around the' worm gear I in such movement, so that the motor may at times be moved over the movable cover member 15, where it will be more centrally located relative to the support.

A gear housing 38 is provided which incloses the major portion ofthe driving shaft 20 between the housing 3 5- 36 and the bracket 19, and said housing is formed in two parts separable on a vertical plane and secured by screws 39. A stub shaft 40 is mounted in the housing 38 at right angles to the shaft 20 and is journaled in said.

housing. A bevel gear 41 is fixed to the driving shaft 20 within the housing 38 and meshes with and is adapted to drive a'bevel gear 42 fixed to the stub shaft40'. (Fig. 4.) A countershaft 43 is journaled in and projects at one end from the housing 38 and is arranged at right angles to andbelow the plane of the driving shaft 20, and a spur gear 44 is'mounted loosely on said countershaft'and meshes with and is adapted to be driven by a spur gear 45 fixed to the stub shaft 40. The countershaft 43 projects at its inner end from the housing 38 above the movable cover member 15 and enters a dolly gear box 46 carried by the central portion of said cover member. A vertical, dolly shaft is mounted for vertical sliding movement and for alternating rotary motion through the dolly gear box 46, and carries common form (not shown). Any suitable driving connections between the counter shaft 43 and dolly shaft may beemployed, to

patents referenceherebv is made.

1,135,496, granted April 13, 1915 on theapplication of" Levi Brown, and Number 1,228,887, granted June 5 1917 on the application of Andrew J. I inkel, to which A clutch member 48 is fixed to the spur gear 44 and is adapted to be engaged at times by a clutch member 49 feathered on the shaft 43, to effect rotation of said,shaft through the gear 44 and connections. The sliding clutch member 49 is formed with the usual circumferential groove in which rests loosely a yoke 50.having a stem. 51

extending parallel with the cou tershaft 43 and extending slidably throng the inner end of the? casing 38. A bell-crank lever f 52 is fulcrumed by a pin 61'onthe outer end of the stem 51 and is adaptedffor manual oscillation to reciprocate said stem and slide the clutch member 49 on the countershaft 43, into. and out ofengagement with the clutch member 48. It is to be understood 'that any suitable type of clutch may be employed in this construction. An expansive coil spring 53 preferably is (301186. on

a positive means for effecting engagement of the clutch members when the lever 52 is thrown to the position shown in Fig. 4.

A cam finger 54 may be fixed at one end to the supporting plate 17 and extend 1nwardly and upwardly therefromon a curve so arranged that when the movablecover member '15 is moved to open pos1t1on said rotatable upon the driving shaft 20, and when the movable cover member 15 1s osclllated said casing and members carried thereby ahd therein oscillate -upon said shaft, the gear 42 rotating upon the gear 41 in such movement.

'- the stem 51 within the casing and serves as End portions of the driving shaft 20, beyond "the housings 35 and 38, and in the portions having bearings in the brackets 18, 19 and hinge members 21, 22, are inclosed by sleeves 56, 57. Similarly the portion of the countershaft 43 between the casing 38 and dolly gear box 46 is inclosed by a sleeve 58; Thus all moving parts of the driving mechanism, with the exception of the head or knob 47 of the dolly shaft, are inclosed.

The'driving shaft preferably is extendvention, but is the subject matter of my com panion application executed on even date herewith filed November 26, 1917, Serial Number 204,07 3, to which application reference hereby is made.

Attention is called to the fact that all. of

the mechanism for transmitting power from the motor to the followerdevices (dolly and wringer mechanism) is arranged in a compact assembly, which, including also the motor itself, is located on, adjacent to and facilitates complete inclosure of the driving contro led spur. gear connections between .said stub shaft and the countershaft.

connected with the supporting plate '17,

whichin turn isremovably carried by the relatively small fixed cover member 14:. The entire mechanism thus may be removed and replaced relative toa support by the manipulation of a very few bolts or screws. This compact arrangement of'the mechanism also parts by relatively small housings or casings, thus insuring safety to those engagedin operating the device. r

In Fig. 5 is shown a modified construction in fragmentary form, in which the motor bracket 28 is formed integrally on and depends from the supporting plate 17*, through an integral connecting portion 30%.

The mechanism, being located entirely'on top of the support, is easy of access for repair, oiling or the like. Being compactly arranged and intimately associated, through the supporting plate 1;, facilitates and insures proper assembly of the mechanism on the support when separately shipped, and also facilitates packing the driving mechanism in small compass.

I claim as my invention 1. In a device of the class described, a support, a driving shaft journaled thereon, a source of p'dwe'r carried by said support and provided with. driving connections to said driving shaft af housing inclosing and having bearings on'said drivin shaft, a

countershaft journaled in and pro ecting be yond said housing, a stub shaft journaled' in said housing parallel with said countershaft, bevel gear connections between said drivin shaft and the stub shaft, and clutch- 2. ,In a device of the class described, a

support, a driving shaft journaled thereon, a source of power carried by said support, and provided with driving connections to said driving shaft, a housing inclosing a portion of and having bearings on said driving shaft, a countershaft journaled in and projecting beyond said housing, a stub'shaft movable cover member.

clutch connections.

journaled in said housing parallel with said countershaft, bevel gear 'connections between said driving shaft and stub shaft, a

spur gear fixed tov said stub shaft, a spur y in mesh with the first spur gear, said loosely gear loosely mounted on said countershaft mounted spur gear being formed-with a Y clutch member, a coacting clutch member feathered'on said countershaft, and means I extending upwardly and outwardly from said movable cover member and pivoted'on said driving shaft, said brackets being formed with vertically arrangedribs, said hinge members being formed at their piv oted ends with lips adapted to engage said ribs and limit outward movement of said '.4. In a device of the class support, a fixed cover member and a movab described, a

e cover member thereon, a supporting plate fixed vto 'said fixed cover member,

brackets on and rising from said supporting plate, a driving shaft journaled in said brackets, one of said brackets being formed I with a vertically arranged rib, hinge members on and extending outwardly and upwardly from said movable cover member and pivoted on said driving shaft, one of said hinge members bein pivoted end with a lip a apted to engage said vertical rib and limit outward move ment of the movable cover mefnber, one of said hinge members being formed with a shoulder intermediate. of its ends, and a latching bar pivoted on said supporting plate and adapted to engage said shoulder when the movable cover member is in open position.

5. In a device of theclass described, a

' support, a driving shaft thereon, means for operating said, driving shaft, a movable covenmember hinged on said support and carrying a follower device, a countershaft formed at its arranged on 'said support, extending over said movable cover member and adapted to operate said follower device, clutch-controlled driving connections between said driving shaft and countershaft, a bell-crank lever fulcrumed on a vertical axis and adapted to control the clutch-driving connections, and a cam finger fixed to said support and adapted to be engaged by said bell-crank lever when the covermember is moved to open position, whereby said bellcrank lever is oscillated to disconnectsaid support having a hinged cover member, a the loosely mounted gear being formed with driving shaft mounted on'sa'id support, a a clutch member, a clutch member slidingly source of power adjacent to said shaft on mounted on the ,countershaft and adapted 15 saidsupport and adapted to operate said to-"gcoact with the first clutch member, yielddriving shaft, a follower device carried by ing means tending to hold the slidingclutch -said cover member, a countershaft adapted member in engagement with theother clutch to transmit power to said follower device, member, and mean'sfor moving the sliding a stub shaft journaledon said support, drivclutch member out of engagement with the 20 ing connections between the driving shaft other clutch member.

and stub shaft, a gear.fixed to said stub Signed Byme at Clarinda, Iowa, this 18th shaft,.a gear loosely mounted on said coun--' day of July, 1917. ter sha'ft and meshing with the first gear, HERMAN H. TOLL. 

